1
: of or relating to a ketone
also
: containing the characteristic chemical group of a ketone consisting of a carbonyl attached to two carbon atoms
keto acids
2
: ketogenic sense 2
Since keto dieting is restrictive it's a good idea to consult with your doctor before starting.—
Ted Kallmyer
Ted Kallmyer
: a ketogenic diet
Salad is great for keto, but the dressing might not be. When in doubt, skip it.—John Nicholson
John NicholsonKeto is a diet trend that cuts out carbohydrates and sugars to stop the blood sugar from spiking and have the body enter a state of ketosis, a process in which body burns fat for energy because it does not have enough carbohydrates to burn.—Dan Boudreaux
Dan Boudreaux
: ketone : ketone body
ketosis
Examples of keto in a Sentence
Recent Examples on the Web
Jenna Anderson, Health, 3 Oct. 2025
Being on the keto diet for a long time may does more harm than good to metabolic health.
—Hannah Millington, MSNBC Newsweek, 19 Sep. 2025
New Atlas, 9 Oct. 2025
Each vegan, keto-friendly bar packs 12 grams of protein and brain-boosting nutrients like omega-3s and MCT oil.
—Olivia Tarantino, Bon Appetit Magazine, 8 Oct. 2025
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Adjective
How to Pick the Right Diet For You The keto diet may be the right choice for some specific groups, Anderson-Haynes said, including:
But the Mediterranean diet can work for anyone and everyone, experts agreed.
—Jenna Anderson, Health, 3 Oct. 2025
Being on the keto diet for a long time may does more harm than good to metabolic health.
—Hannah Millington, MSNBC Newsweek, 19 Sep. 2025
Noun
The keto diet restored these deficits, particularly in female APOE4 mice, normalizing most metabolites to APOE3 levels.
—New Atlas, 9 Oct. 2025
Each vegan, keto-friendly bar packs 12 grams of protein and brain-boosting nutrients like omega-3s and MCT oil.
—Olivia Tarantino, Bon Appetit Magazine, 8 Oct. 2025
See All Example Sentences for keto
Cite this Entry
“Keto.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/keto. Accessed 17 Oct. 2025.
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